CN105686823A - Simple electrocardiograph monitoring system with low cost and based on bluetooth communication - Google Patents
Simple electrocardiograph monitoring system with low cost and based on bluetooth communication Download PDFInfo
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- CN105686823A CN105686823A CN201410696099.3A CN201410696099A CN105686823A CN 105686823 A CN105686823 A CN 105686823A CN 201410696099 A CN201410696099 A CN 201410696099A CN 105686823 A CN105686823 A CN 105686823A
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Abstract
The invention provides a simple electrocardiograph monitoring system with low cost and based on bluetooth communication. The simple electrocardiograph monitoring system comprises a portable electrocardiograph monitoring device and a monitoring mobile phone, wherein the portable electrocardiograph monitoring device comprises an electrocardiogram acquiring module for acquiring electrocardiosignals, a DSP for receiving and processing the electrocardiosignals, a storage module for storing electrocardiogram data, a storage battery, a display screen for displaying the electrocardiosignals, and a key module; the storage battery is connected with the display screen and is connected with the DSP and the electrocardiogram acquiring module through LDO voltage stabilizing circuits; the key module and the display screen are connected with the DSP, and the DSP is provided with a bluetooth module in communication with the monitoring mobile phone. With the adoption of the simple electrocardiograph monitoring system, the electrocardiogram can be monitored at any time, and the monitoring data can be observed through the display screen and the monitoring mobile phone, so that the abnormal conditions can be found in time, then effective measures are taken, and finally, the body health of people is well protected; the electrocardiograph monitoring device has the functions of acquiring, analyzing and displaying the electrocardiosignals, and therefore, the size is small, the cost is low, and the practicability is strong.
Description
Technical field
The present invention relates to field of medical device, in particular it relates to a kind of low cost simple electrocardiogram monitor system based on bluetooth communication。
Background technology
Along with the raising of social development and people's living standard, healthy attention degree is increased by people day by day, but the sickness rate being accompanied by growth in the living standard cardiovascular disease constantly rises。Particularly accelerating recently as the aggravation of social senilization and rhythm of life, cardiovascular disease has become the principal disease threatening human life, and heart disease has become the disease that mortality rate is the highest in the world。In view of the severe situation that cardiovascular patient is increasing, improve the means preventing and monitoring this disease imperative。And ECG signal sampling is to find cardiopathic most direct approach, but the electrocardiogram monitor of Hospitals at Present is almost entirely import, expensive, and maintenance cost is high, has increased the weight of the financial burden of hospital and patient;Therefore a kind of portable, economic cardiac monitoring equipment is designed significant。
Summary of the invention
The technical problem to be solved is to provide a kind of low cost simple electrocardiogram monitor system based on bluetooth communication; whenever and wherever possible electrocardio conveniently should can be monitored based on the low cost simple electrocardiogram monitor system of bluetooth communication; unusual circumstance taking effective measures in time, thus protecting better, people's is healthy。
This invention address that the problems referred to above be the technical scheme is that
Low cost simple electrocardiogram monitor system based on bluetooth communication, including portable cardiac monitor device and monitoring cell-phone, described portable cardiac monitor device include the electrocardiogram acquisition module for gathering electrocardiosignal, for receive and process the electrocardiosignal of electrocardiogram acquisition module collection dsp processor, for store through dsp processor process after electrocardiogram (ECG) data memory module, for the accumulator powered to portable cardiac monitor device, for showing the display screen of electrocardiosignal, the key-press module for entering the operating instructions to portable cardiac monitor device；Described accumulator connects dsp processor and electrocardiogram acquisition module by LDO mu balanced circuit；Described key-press module is all connected with dsp processor with display screen, and described dsp processor is provided with the bluetooth module communicated with monitoring cell-phone, and described display screen is connected with accumulator。
Preferably, described monitoring host computer is also equipped with bluetooth communication module。
Further, described dsp processor includes AD conversion module, and it is connected with electrocardiogram acquisition module, for the electrocardiosignal of electrocardiogram acquisition module collection is converted to digital signal。
Further, the signal of sensor and sensor acquisition that described electrocardiogram acquisition module includes collection electrocardiosignal carries out the signal conditioning circuit nursed one's health, and the outfan of this signal conditioning circuit connects the input of A/D convertor circuit。
Further, described signal conditioning circuit includes amplifying circuit and filter circuit。
To sum up, the invention has the beneficial effects as follows:
1, electrocardio can conveniently be monitored by the present invention whenever and wherever possible; Monitoring Data can be observed by display screen; also monitoring cell-phone can be transferred to by bluetooth module; monitoring cell-phone also can be observed and obtain; can unusual circumstance taking effective measures in time, thus protecting better, people's is healthy。
2, the portable cardiac monitor device of the present invention is integrated in one the collection of electrocardiosignal, analysis and display, and volume is little, cost is low, practical。
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention。
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the present invention is done detailed description further, but embodiments of the present invention are not limited to this。
Embodiment 1:
As shown in Figure 1, low cost simple electrocardiogram monitor system based on bluetooth communication, including portable cardiac monitor device and monitoring cell-phone, described portable cardiac monitor device includes the electrocardiogram acquisition module for gathering electrocardiosignal, for receiving and process the dsp processor of the electrocardiosignal that electrocardiogram acquisition module gathers, for storing the memory module of the electrocardiogram (ECG) data after dsp processor processes, for the accumulator powered to portable cardiac monitor device, for showing the display screen of electrocardiosignal, for the key-press module entered the operating instructions to portable cardiac monitor device；Described accumulator connects dsp processor and electrocardiogram acquisition module by LDO mu balanced circuit；Described key-press module is all connected with dsp processor with display screen, described dsp processor is provided with the bluetooth module communicated with host computer, monitoring cell-phone is also equipped with bluetooth communication module, monitoring cell-phone and dsp processor carry out data exchange by wireless Bluetooth network, electrocardiosignal is sent to monitoring cell-phone by DSP, and described display screen is directly connected to the outfan of accumulator。
Described dsp processor includes AD conversion module, and it is connected with electrocardiogram acquisition module, for the electrocardiosignal of electrocardiogram acquisition module collection is converted to digital signal。
The signal of sensor and sensor acquisition that described electrocardiogram acquisition module includes collection electrocardiosignal carries out the signal conditioning circuit nursed one's health, this signal conditioning circuit includes amplifying circuit and filter circuit, and the outfan of this signal conditioning circuit connects the input of A/D convertor circuit。
Electrocardiogram acquisition mainly comprise the processes of after signal conditioning circuit pretreatment ECG simulator signal, analog data is acquired by built-in 10 AD conversion module (sampling precision is 3mV) and is changed by dsp processor, sampling period is 5ms, and by transferring to bluetooth module to be sent by wireless Bluetooth network with asynchronous serial port (UART) after the data after conversion are taken most-significant byte, issue monitoring cell-phone。
Hereinafter module important in native system is provided specific embodiment:
In the present embodiment, whole system can be divided into ecg signal acquiring part and signal processing。Signal processing, with TMS320LF2407A for processor, extends external memory storage, liquid crystal display, button and bluetooth module etc.。
One, dsp processor adopts the DSP of TI company's T MS320LF2407A model, and the present embodiment builds an electrocardiogram monitor system based on this DSP, and this system bulk is little, cost is low, practical。
Electrocardiosignal is processed by an electrocardiogram monitor system critically important part exactly, therefore selects a suitable signal processor particularly significant。The most successful current dsp chip is when the series of products of number American TI Company, and its three big DSP platform TMS320C2000 promoted mainly, TMS320C5000, TMS320C6000 have become as the most influential dsp chip in the world today。
Native system adopts TMS320LF2407A to be signal processor and core controller。TMS320LF2407A is 16 fixed-point dsps of novel high-performance that TI company releases, and is the newcomer of TMS320C2000 series。It integrates the igh-speed wire-rod production line ability of DSP and is applicable to the optimization peripheral circuit controlled exclusively for digital control design, being real single-chip controller, be widely applied in numerical control system。
TMS320LF2407ADSP possesses following Some features:
(1) high-performance static state CMOS technology is adopted so that supply voltage reduces to 3.3V, reduces the power consumption of controller;The execution speed of 40MIPS makes the instruction cycle shorten to 25ns, thus improve the real-time control capability of controller。
(2) based on the CPU core of TMS320C2xxDSP, it is ensured that TMS320LF2407ADSP code and TMS320 series DSP code are compatible。
(3) there is the FLASH program storage of up to 32KB in sheet, the data/program RAM of up to 1.5KB, the single port RAM (SARAM) of 544 word dual port RAMs (DARAM) and 2KB。
(4) two event manager module EVA and EVB, each pulsewidth modulation ((PWM) passage including two 16 general purpose timers and 8 16。
(5) extendible external memory storage 192K word space altogether: 64K word program memory space, 4K digital data storage space and 64K word I/0 addressing space。
(6) WatchDog Timer module (WDT)。
(7) 10 A/D converter minimum transition times are 500ns, may select and are triggered two 8 passage input a/d converters or the A/D converter of 16 passages inputs by two task managers。
(8) controller local area network (CAN) 2.0B module。
(9) serial communication interface (SCI) module。
(10) 16 Bits Serial peripheral hardware (SPI) interface modules。
(11) based on the clock generator of phaselocked loop。
(12) it is independently programmed up to 40 or the universal input/output pin (GPIO) of multiplexing。
(13) 5 external interrupt (two electrode drive are protected, resetted and two maskable interrupts)。
(14) power management includes 3 kinds of low-power consumption modes, independently external device can be proceeded to low-power consumption mode。
(15) there is encryption function, key length 64。
Two, power supply
Power supply is the most important condition of system work, and native system adopts two kinds of voltages of 5V and 3.3V, and accumulator output supply voltage is 5V direct current, it is therefore desirable to conversion, and native system adopts LDO voltage stabilizer AMS1117-3.3 to carry out the conversion of 5V ~ 3.3V voltage。
Three, ecg signal acquiring
Then electrocardiogram Acquisition Circuit is delivered to TMS320LF2407A 10 the A/D inputs being internally integrated the analogue signal gathered by sensor acquisition electrocardiosignal and is carried out A/D conversion, adopts and is triggered the mode of A/D converter of 16 passages inputs to improve conversion accuracy with the faint electrocardiosignal of precise acquisition by two task managers。
Four, memory module
TMS320LF2407A has been internally integrated 1.5KRAM and 32KFLASH, 32KFLASH capacity is substantially enough, and the RAM memory space of inside is too little, for preserve substantial amounts of sampled data, computing intermediate object program and improve system the speed of service, system adds external data memory (RAM) and external program memory (RAM), carries out chip select with PS and the DS signal of TMS320LF2407A respectively。The RAM memory that native system adopts is two panels IS61LV6416-10T, and its memory capacity is 64K16 position。Data time is 10ns, can meet the needs of high-speed cruising, and running voltage is 3.3V, consistent with DSP running voltage, it is not necessary to level shifting circuit。
Five, display screen
Display screen adopts LCD MODULE, is used for showing electrocardiogram, makes user can also be visually observed that electrocardiogram when not having PC。Electrocardiogram can also be connected with PC by serial ports and be shown by PC。When being not used to display electrocardiogram, liquid crystal can display system state and other information。This Liquid Crystal Module includes SED1335 controller, resolution is 128128, this module characteristic be low in energy consumption, capacity of resisting disturbance is strong, module is integrated with LCD controller, driver, RAM, ROM and LCD display, only need to send into corresponding order to module during use and data can show information needed。Simple with dsp interface, easy to use and flexible。TMS320LF2407A is that 3.3V powers, and display screen is that 5V power supply is powered, so display screen is directly connected to accumulator output end。
Below being only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment, and all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention。It should be pointed out that, for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, should be regarded as protection scope of the present invention。
Claims (5)
1. based on the low cost simple electrocardiogram monitor system of bluetooth communication, it is characterized in that, including portable cardiac monitor device and monitoring cell-phone, described portable cardiac monitor device includes the electrocardiogram acquisition module for gathering electrocardiosignal, for receiving and process the dsp processor of the electrocardiosignal that electrocardiogram acquisition module gathers, for storing the memory module of the electrocardiogram (ECG) data after dsp processor processes, for the accumulator powered to portable cardiac monitor device, for showing the display screen of electrocardiosignal, for the key-press module entered the operating instructions to portable cardiac monitor device；Described accumulator connects dsp processor and electrocardiogram acquisition module by LDO mu balanced circuit；Described key-press module is all connected with dsp processor with display screen, and described dsp processor is provided with the bluetooth module communicated with monitoring cell-phone, and described display screen is connected with accumulator。
2. the low cost simple electrocardiogram monitor system based on bluetooth communication according to claim 1, it is characterised in that be also equipped with bluetooth communication module in described monitoring host computer。
3. the low cost simple electrocardiogram monitor system based on bluetooth communication according to claim 1 and 2, it is characterized in that, described dsp processor includes AD conversion module, and it is connected with electrocardiogram acquisition module, for the electrocardiosignal of electrocardiogram acquisition module collection is converted to digital signal。
4. the low cost simple electrocardiogram monitor system based on bluetooth communication according to claim 3, it is characterized in that, the signal of sensor and sensor acquisition that described electrocardiogram acquisition module includes collection electrocardiosignal carries out the signal conditioning circuit nursed one's health, and the outfan of this signal conditioning circuit connects the input of A/D convertor circuit。
5. the low cost simple electrocardiogram monitor system based on bluetooth communication according to claim 4, it is characterised in that described signal conditioning circuit includes amplifying circuit and filter circuit。
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| CN201410696099.3A CN105686823A (en) | 2014-11-27 | 2014-11-27 | Simple electrocardiograph monitoring system with low cost and based on bluetooth communication |
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| CN201410696099.3A CN105686823A (en) | 2014-11-27 | 2014-11-27 | Simple electrocardiograph monitoring system with low cost and based on bluetooth communication |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018120641A1 (en) * | 2016-12-30 | 2018-07-05 | 深圳市善行医疗科技有限公司 | Electrocardiogram data collection circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018120641A1 (en) * | 2016-12-30 | 2018-07-05 | 深圳市善行医疗科技有限公司 | Electrocardiogram data collection circuit |
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Application publication date: 20160622 |